A poisonous gas formed from the incomplete combustion of fuels is:

a. radon.
b. ozone.
c. carbon monoxide.
d. hydrocarbon.


C

Health & Biomechanics

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An example of a URI is ________

A) a nosebleed B) hay fever C) postnasal drip D) common cold

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When utilizing relay activities in class, keep the same groups for a long time so the students get to know each other

Indicate whether the statement is true or false

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Psychologically hardy people are characterized by

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